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128 lines
3.6 KiB
C
128 lines
3.6 KiB
C
/** @file
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Simple Text Input protocol from the UEFI 2.0 specification.
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Abstraction of a very simple input device like a keyboard or serial
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terminal.
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Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef __SIMPLE_TEXT_IN_PROTOCOL_H__
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#define __SIMPLE_TEXT_IN_PROTOCOL_H__
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#define EFI_SIMPLE_TEXT_INPUT_PROTOCOL_GUID \
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{ \
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0x387477c1, 0x69c7, 0x11d2, {0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b } \
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}
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typedef struct _EFI_SIMPLE_TEXT_INPUT_PROTOCOL EFI_SIMPLE_TEXT_INPUT_PROTOCOL;
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///
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/// Protocol GUID name defined in EFI1.1.
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///
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#define SIMPLE_INPUT_PROTOCOL EFI_SIMPLE_TEXT_INPUT_PROTOCOL_GUID
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///
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/// Protocol name in EFI1.1 for backward-compatible.
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///
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typedef struct _EFI_SIMPLE_TEXT_INPUT_PROTOCOL SIMPLE_INPUT_INTERFACE;
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///
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/// The keystroke information for the key that was pressed.
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///
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typedef struct {
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UINT16 ScanCode;
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CHAR16 UnicodeChar;
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} EFI_INPUT_KEY;
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//
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// Required unicode control chars
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//
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#define CHAR_BACKSPACE 0x0008
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#define CHAR_TAB 0x0009
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#define CHAR_LINEFEED 0x000A
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#define CHAR_CARRIAGE_RETURN 0x000D
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//
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// EFI Scan codes
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//
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#define SCAN_NULL 0x0000
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#define SCAN_UP 0x0001
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#define SCAN_DOWN 0x0002
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#define SCAN_RIGHT 0x0003
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#define SCAN_LEFT 0x0004
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#define SCAN_HOME 0x0005
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#define SCAN_END 0x0006
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#define SCAN_INSERT 0x0007
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#define SCAN_DELETE 0x0008
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#define SCAN_PAGE_UP 0x0009
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#define SCAN_PAGE_DOWN 0x000A
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#define SCAN_F1 0x000B
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#define SCAN_F2 0x000C
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#define SCAN_F3 0x000D
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#define SCAN_F4 0x000E
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#define SCAN_F5 0x000F
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#define SCAN_F6 0x0010
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#define SCAN_F7 0x0011
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#define SCAN_F8 0x0012
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#define SCAN_F9 0x0013
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#define SCAN_F10 0x0014
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#define SCAN_ESC 0x0017
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/**
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Reset the input device and optionally run diagnostics
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@param This Protocol instance pointer.
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@param ExtendedVerification Driver may perform diagnostics on reset.
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@retval EFI_SUCCESS The device was reset.
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@retval EFI_DEVICE_ERROR The device is not functioning properly and could not be reset.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_INPUT_RESET)(
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IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,
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IN BOOLEAN ExtendedVerification
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);
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/**
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Reads the next keystroke from the input device. The WaitForKey Event can
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be used to test for existence of a keystroke via WaitForEvent () call.
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@param This Protocol instance pointer.
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@param Key A pointer to a buffer that is filled in with the keystroke
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information for the key that was pressed.
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@retval EFI_SUCCESS The keystroke information was returned.
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@retval EFI_NOT_READY There was no keystroke data available.
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@retval EFI_DEVICE_ERROR The keystroke information was not returned due to
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hardware errors.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_INPUT_READ_KEY)(
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IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,
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OUT EFI_INPUT_KEY *Key
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);
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///
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/// The EFI_SIMPLE_TEXT_INPUT_PROTOCOL is used on the ConsoleIn device.
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/// It is the minimum required protocol for ConsoleIn.
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///
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struct _EFI_SIMPLE_TEXT_INPUT_PROTOCOL {
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EFI_INPUT_RESET Reset;
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EFI_INPUT_READ_KEY ReadKeyStroke;
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///
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/// Event to use with WaitForEvent() to wait for a key to be available
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///
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EFI_EVENT WaitForKey;
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};
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extern EFI_GUID gEfiSimpleTextInProtocolGuid;
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#endif
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